Aakash is available for hire
Hire AakashAakash Kumar Das
Verified Expert in Engineering
Back-end Developer
Hyderabad, Telangana, India
Toptal member since November 1, 2021
Bio
Aakash is a seasoned software engineer with 8+ years of experience specializing in full-stack development. He's proficient in Django/DRF and React and adept in DevOps and Dockerization. Managing from development to deployments on AWS and other cloud platforms, Aakash has helped launch several products from scratch. With a bachelor's degree in computer engineering and a track record of delivering top-notch solutions for startups and MNCs, Aakash boasts glowing reviews on LinkedIn.
Portfolio
ServiceNow
Algorithms, JavaScript, ServiceNow, Java, Python, Software Engineering, Git...
WelkinCode
Algorithms, Python, Django, Linux, Web Development, PostgreSQL, REST, HTML, CSS...
Alphafoodie Limited
Selenium, Automation, Robotic Process Automation (RPA), Architecture, Notion...
Experience
- Algorithms - 8 years
- Python - 8 years
- Django - 8 years
- React - 7 years
- Databases - 6 years
- Amazon Web Services (AWS) - 6 years
- JavaScript 6 - 5 years
- Docker - 4 years
Work Experience
Staff Software Engineer
2019 - PRESENT
ServiceNow
- Architected new service portal features and collaborated with product managers and designers to develop them.
- Played a key role in the development and release of a new integration with Facebook.
- Shipped full-stack features related to the universal request that serves as the single source of contact for employees and requesters.
- Reduced the code for notification by 40% by refactoring the existing notification logic and eliminating redundant records.
- Adopted Seismic, an internal JavaScript framework for ServiceNow.
Technologies: Algorithms, JavaScript, ServiceNow, Java, Python, Software Engineering, Git, APIs, HTML, CSS, MySQL, Back-end, GitHub, HTML5, Full-stack Development, PDF Scraping, SQLite, ServiceNow REST API, Dashboards, SQL, API Integration, Full-stack, Architecture, Data Modeling, Survey Development & Analysis, Questionnaires, Survey Programming, Automation, Scripting, Bootstrap, Pair Programming, Large Language Models (LLMs), OpenAI GPT-4 API, Cloud, Object-oriented Design (OOD), REST APIs, Minimum Viable Product (MVP), OAuth, Figma, User Interface (UI), Front-end, HTML DOM, Browser Automation, Document Parsing, Microsoft Excel, Sass, GitLab, Google Sheets API, Software, Integration, AI Integration, Automation Tools, Conversational UX, CSV File Processing, Email Automation, Information Engineering, JSON, Vanilla JS, Prompt Engineering, Web App Development, Dedicated Web Hosting, Agentic AI, Excel 365, MD5, Hosting, Chatbots, Cursor AI, AI Prompts, Web Extensions, API Architecture, API Testing, API Design, Software Development, Reporting Automation, CRM APIs, Customer Relationship Management (CRM), Enterprise Resource Planning (ERP), AI Tools, Claude, Claude Code, Web Applications, Testing
Full-stack Developer
2017 - PRESENT
WelkinCode
- Single-handedly developed a marketplace platform that raised pre-seed funding of $100,000.
- Built 20+ products in eCommerce, real estate, foodtech, energy efficiency, and healthcare solutions using Flask, Django, and React.
- Managed deployments using tools like Docker and Docker Compose on several public cloud platforms, including AWS and Microsoft Azure.
Technologies: Algorithms, Python, Django, Linux, Web Development, PostgreSQL, REST, HTML, CSS, JavaScript, Software Engineering, Flask, React, Git, Amazon EC2, Amazon RDS, MySQL, Back-end, Microservices, GitHub, CI/CD Pipelines, Web Scraping, Selenium, Data Scraping, Beautiful Soup, Amazon S3 (AWS S3), Django ORM, HTML5, Full-stack Development, PDF Scraping, PDF to Excel, Puppeteer, Scrapy, TypeScript, SQLite, Tailwind CSS, Dashboards, Jira REST API, SQL, API Integration, Full-stack, Architecture, Data Modeling, FastAPI, ChatGPT, OpenAI, Asyncio, Object-relational Mapping (ORM), Survey Development & Analysis, Questionnaires, Automation, Notion, Scripting, Xero, Bootstrap, Pair Programming, QuickBooks API, Data Visualization, SaaS, Generative Artificial Intelligence (GenAI), Large Language Models (LLMs), OpenAI GPT-4 API, OpenAI GPT-3 API, Cloud, NoSQL, Object-oriented Design (OOD), REST APIs, Minimum Viable Product (MVP), Payment APIs, Gmail API, MongoDB, Scraping, OAuth, RabbitMQ, SAML-auth, Heroku, Zapier, Fintech, Figma, User Interface (UI), Front-end, HTML DOM, Browser Automation, Document Parsing, Microsoft Excel, Sass, GitLab, Data Extraction, PDF, Google Sheets, Google Sheets API, Software, eCommerce, Integration, Artificial Intelligence (AI), AI Integration, Automation Tools, ChatGPT API, Conversational UX, CSV File Processing, Email Automation, Information Engineering, JSON, Website Data Scraping, Vanilla JS, Web App Development, SendGrid, Stripe API, Mailgun, Dedicated Web Hosting, MD5, Node.js, Hosting, Hash, Firebase, Replit, Cursor AI, AI Prompts, Kubernetes, Chrome API, Chrome Extensions, Web Extensions, AI Automation, Supabase, Slack, API Architecture, API Testing, POS, API Design, Software Development, Reporting Automation, CRM APIs, Customer Relationship Management (CRM), Middleware, Enterprise Resource Planning (ERP), AI Tools, Claude, Claude Code, Next.js, Web Applications, Testing, Vercel
Software Developer
2024 - 2024
Alphafoodie Limited
- Developed a Django-based tool to sync data about food posts from Notion using the Notion API, ensuring seamless data synchronization and management.
- Enabled scheduling and publishing of posts on Pinterest, streamlining the process of managing and distributing food content across platforms.
- Created an analytics tool to track the performance of the tool, providing insights into its effectiveness and user engagement.
- Integrated Sentry to monitor and track errors, ensuring the tool's reliability and facilitating quick resolution of issues.
Technologies: Selenium, Automation, Robotic Process Automation (RPA), Architecture, Notion, Cron, Python, Pinterest API, Celery, Docker, Deployment, Sentry, REST APIs, Minimum Viable Product (MVP), Scraping, OAuth, RabbitMQ, Heroku, Zapier, Fintech, User Interface (UI), Front-end, HTML DOM, Browser Automation, Document Parsing, Sass, GitLab, Data Extraction, Google Sheets API, Software, eCommerce, Notion Formulas, Notion API, Artificial Intelligence (AI), AI Integration, Automation Tools, ChatGPT API, WordPress, CSV File Processing, Email Automation, Information Engineering, JSON, Website Data Scraping, Vanilla JS, Prompt Engineering, Web App Development, SendGrid, Stripe API, Dedicated Web Hosting, AI Agents, Gemini API, Excel 365, MD5, Node.js, Hosting, Hash, Chatbots, Firebase, Replit, AI Prompts, Chrome API, Chrome Extensions, AI Automation, Slack, API Architecture, API Testing, POS, API Design, Software Development, Financial Projection, Reporting Automation, CRM APIs, Customer Relationship Management (CRM), Middleware, Enterprise Resource Planning (ERP), AI Tools, Web Applications, Testing, Vercel
Python Developer
2024 - 2024
Misfits Latam LLC
- Created a Django-based analytics tool that integrates with Gemini and OpenAI to process financial documents and extract relevant company information. An admin interface allows customization of extraction prompts for specific fields.
- Built a pipeline to extract text and text from images using OCRs from PDFs for analysis. Integrated Google Sheets to update extracted company data, ensuring seamless data management and accessibility.
- Optimized token usage by generating context for previous messages, enhancing efficiency, and reducing costs. Provided an option to enhance extracted data by uploading additional PDFs and filling in any missing information.
- Allowed users to upload more PDFs related to a company to augment and refine previously extracted data, ensuring comprehensive and accurate information collection for analysis.
Technologies: Python, Databases, Large Language Models (LLMs), Generative Artificial Intelligence (GenAI), ChatGPT, Django, OpenAI, Gemini, Optical Character Recognition (OCR), Data Pipelines, Celery, Docker, Google Cloud Platform (GCP), REST APIs, Minimum Viable Product (MVP), Scraping, OAuth, Fintech, User Interface (UI), Front-end, HTML DOM, Web App Automation, Browser Automation, Document Parsing, Microsoft Excel, Sass, GitLab, Data Extraction, PDF, Google Sheets, Software, Integration, Notion Formulas, Notion API, Artificial Intelligence (AI), AI Integration, Automation Tools, ChatGPT API, CSV File Processing, Email Automation, Information Engineering, JSON, Website Data Scraping, Vanilla JS, Prompt Engineering, Web App Development, SendGrid, Stripe API, Dedicated Web Hosting, AI Agents, Gemini API, Agentic AI, Excel 365, MD5, Hosting, Hash, Bash, Firebase, AI Prompts, AI Automation, Supabase, Slack, API Architecture, API Testing, POS, API Design, Software Development, Financial Projection, Reporting Automation, CRM APIs, Customer Relationship Management (CRM), Middleware, Enterprise Resource Planning (ERP), AI Tools, Web Applications, Testing
Senior Software Engineer
2018 - 2019
Loyalty Juggernaut
- Architected and implemented the one-time password (OTP) delivery and verification service for accruing membership points using AWS Lambda and Flask.
- Set up and managed Gitflow processes and sprint releases for the Python back-end team.
- Debugged and resolved a critical database failure during a production deployment and prevented a significant loss in revenue.
- Reduced the load time of the analytics dashboard by 10 seconds by optimizing SQL queries in Django.
- Implemented a QR code generation module for vendors using Python.
Technologies: Python, Django, Amazon Web Services (AWS), React, Docker, PostgreSQL, REST, Serverless, Redshift, Django REST Framework, AWS Lambda, OTP, GitFlow, Sprints, Software Engineering, Git, APIs, Amazon EC2, HTML, CSS, MySQL, Back-end, Microservices, GitHub, Amazon S3 (AWS S3), Django ORM, HTML5, Analytics, Full-stack Development, Data, SQLite, Tailwind CSS, Dashboards, SQL, API Integration, Full-stack, Architecture, Data Modeling, Asyncio, Migration, Survey Development & Analysis, Automation, Scripting, Bootstrap, Pair Programming, SaaS, Cloud, NoSQL, Object-oriented Design (OOD), REST APIs, Minimum Viable Product (MVP), Payment APIs, OAuth, RabbitMQ, SAML-auth, User Interface (UI), Front-end, HTML DOM, Web App Automation, Document Parsing, Microsoft Excel, Sass, Software, eCommerce, Automation Tools, CSV File Processing, Email Automation, Information Engineering, Website Data Scraping, Vanilla JS, Web App Development, SendGrid, Stripe API, Dedicated Web Hosting, Excel 365, MD5, Hosting, Hash, Bash, Firebase, AI Prompts, AI Automation, Slack, API Architecture, API Testing, POS, API Design, Software Development, Reporting Automation, CRM APIs, Customer Relationship Management (CRM), Web Applications, Testing
Software Engineer
2016 - 2018
ReportGarden Inc
- Architected and implemented an internal tool to make the organization GDPR compliant using Django and AWS.
- Set up data pipelines and ETL workflows from scratch (using Python, Flask, and Redshift) as a member of the data engineering team. These provided metrics on consumer behavior that led to improved sales.
- Migrated a newly acquired product from Express.js to Flask and improved the API performance by 10x by optimizing slow queries.
Technologies: Django, Python, React, Amazon Web Services (AWS), Docker, PostgREST, Redshift, Data Engineering, REST, Data Pipelines, ETL, General Data Protection Regulation (GDPR), Software Engineering, Git, APIs, Flask, Amazon EC2, Amazon RDS, Amazon DynamoDB, HTML, CSS, MySQL, Back-end, GitHub, Amazon S3 (AWS S3), Django ORM, HTML5, Analytics, Full-stack Development, Data, Dashboards, SQL, API Integration, Full-stack, Architecture, Data Modeling, Migration, Object-relational Mapping (ORM), Automation, Scripting, Bootstrap, Pair Programming, SaaS, Object-oriented Design (OOD), REST APIs, Minimum Viable Product (MVP), Payment APIs, MongoDB, Scraping, RabbitMQ, Heroku, User Interface (UI), Front-end, HTML DOM, Web App Automation, Document Parsing, Microsoft Excel, Sass, GitLab, Software, Integration, Email Automation, Matplotlib, Information Engineering, Web App Development, SendGrid, Stripe API, Dedicated Web Hosting, Excel 365, MD5, Hosting, Bash, Firebase, Replit, API Architecture, API Testing, API Design, Software Development, Financial Projection, Reporting Automation, Customer Relationship Management (CRM), Web Applications, Testing
Software Engineer
2015 - 2017
Josh Technology Group
- Designed and implemented a subscription model for the application using Stripe on Django.
- Implemented a custom authentication system for interservice communication using Flask.
- Designed UI components for a healthcare app using AngularJS.
Technologies: Django, Python, Django REST Framework, AngularJS, Stripe, Authentication, Software Engineering, Git, APIs, Flask, Amazon EC2, Amazon RDS, MySQL, Back-end, GitHub, Django ORM, HTML5, Full-stack Development, SQL, API Integration, Full-stack, Data Modeling, Object-relational Mapping (ORM), Scripting, Bootstrap, Pair Programming, SaaS, Elasticsearch, REST APIs, Heroku, User Interface (UI), Front-end, HTML DOM, Document Parsing, Microsoft Excel, Sass, GitLab, Software, Integration, Matplotlib, JSON, Web App Development, Stripe API, Dedicated Web Hosting, Bash, API Architecture, API Testing, API Design, Software Development, Web Applications, Testing
Project History
HS Sales GmbH
HS Sales GmbH (alias Toredo Trading), based in Munich, is an eCommerce company specializing in consumer electronics products, such as smartphones, tablets, and smart home products. The HS web application is an inventory management platform that enables admins to list and sell products on multiple platforms like eBay, Amazon, and Rakuten. It also enables integrations with various marketplaces to generate sales and inventory analytics.
The Good Trends
The Good Trends marketplace connects buyers to sellers and local store owners who sell healthy food. The purpose is to increase access and affordability to healthier, more local food products for US consumers by reinventing food wholesale and making it more transparent and streamlined.
Homesy
Homesy is a German real estate marketplace platform that allows users to list properties for sale or rent to multiple marketplaces by registering the property details on the Homesy platform. The platform takes care of pushing the property details to multiple real estate platforms and streamlines the queries received on multiple real estate platforms to Homesy’s mailbox.
Inibii
Inibii Technology is changing how building owners and facility managers visualize, monitor, and manage energy usage. Customers can use Inibii's easy-to-use energy management platform to take control of their consumption data and, ultimately, impact the planet.
Inibii's cloud-based energy management platform is a no-cost, comprehensive tool that combines electricity, water, and gas data. After an initial setup, building owners can see their energy consumption, reduce operating expenses, monitor trends, and achieve sustainability goals.
Inibii's cloud-based energy management platform is a no-cost, comprehensive tool that combines electricity, water, and gas data. After an initial setup, building owners can see their energy consumption, reduce operating expenses, monitor trends, and achieve sustainability goals.
Toredo
Toredo is a platform where users can sell their old smartphones based on their condition and cash out using a simple online workflow. The app provides a simple yet intuitive UI where users can easily evaluate the condition of their old smartphones and cash out.
E-crawl | Selenium-based Crawler for Inventory Management
The project is a customized inventory management system developed for a dropshipping business with a vast product range exceeding 40,000 items. It efficiently addressed the challenge of preventing the sale of out-of-stock items from the manufacturer's website by implementing daily updates. The system significantly improved customer experience by ensuring that only available products were displayed, thereby optimizing sales processes.
Amazon Expense Report Automation
An Amazon expense report automation tool that was developed using Python, Selenium, cron job, and Docker.
1. This tool automates expense tracking processes, generating monthly email summaries of expenditures.
2. It provided insights into total expenses, month-to-month changes, and spending categories.
3. This project aimed to streamline expense management tasks, reducing manual efforts and improving efficiency.
1. This tool automates expense tracking processes, generating monthly email summaries of expenditures.
2. It provided insights into total expenses, month-to-month changes, and spending categories.
3. This project aimed to streamline expense management tasks, reducing manual efforts and improving efficiency.
Health Insurance Management
The Health Insurance Management project is designed to efficiently store and manage policy documents of customers from various insurance providers. The system aims to streamline the organization and retrieval of insurance policy information, ensuring quick access and reliable management of customer data.
Conversational Career Coach
CareerGPT is an AI-powered conversational career coach built using React, Django, and OpenAI APIs. It helps users explore career options, improve their resumes, and prepare for interviews through natural, interactive conversations. Users can describe their interests or upload resumes, and CareerGPT intelligently suggests relevant roles, rewrites resume sections, or simulates interviews using GPT-4’s language capabilities. The Django back end handles API orchestration and session management, while React delivers a smooth, chat-first user experience.
The platform emphasizes adaptive conversational UX with role-based personas—like a startup CTO or an empathetic career coach—that tailor tone and guidance to each user.
It also offers personalized upskilling recommendations, answering questions like “What’s next after 5 years in QA?” or “How do I break into product management?” in context-aware, helpful ways. With a clean React front end, a robust Django back end, and the power of OpenAI’s language models, CareerGPT showcases full-stack integration of intelligent assistance with a focus on real-world usability.
The platform emphasizes adaptive conversational UX with role-based personas—like a startup CTO or an empathetic career coach—that tailor tone and guidance to each user.
It also offers personalized upskilling recommendations, answering questions like “What’s next after 5 years in QA?” or “How do I break into product management?” in context-aware, helpful ways. With a clean React front end, a robust Django back end, and the power of OpenAI’s language models, CareerGPT showcases full-stack integration of intelligent assistance with a focus on real-world usability.
Education
2012 - 2016
Bachelor's Degree in Computer Engineering
Kiit University - Bhubaneswar, India
Certifications
JULY 2020 - PRESENT
React: Testing and Debugging
OCTOBER 2019 - PRESENT
Docker Essential Training: Storage and Volumes
OCTOBER 2019 - PRESENT
Docker Essential Training: Networking
JULY 2015 - PRESENT
AMCAT Certified Software Engineer
Aspiring Minds
Skills
Libraries/APIs
React, REST APIs, Django ORM, ServiceNow REST API, Asyncio, Stripe, Beautiful Soup, Puppeteer, Jira REST API, QuickBooks API, Gmail API, Google Sheets API, OpenAI API, Matplotlib, Stripe API, Node.js, Chrome API, PostgREST, Pinterest API
Tools
Celery, Git, GitHub, Notion, Zapier, GitLab, Notion API, SendGrid, MD5, AI Prompts, Slack, Claude, Claude Code, Pytest, ChatGPT, Xero, RabbitMQ, Figma, Microsoft Excel, Google Sheets, Notion Formulas, Docker Compose, Cron, Sentry
Languages
Python, JavaScript, HTML, HTML5, SQL, Sass, JavaScript 6, CSS, TypeScript, Java, Bash
Frameworks
Django, Django REST Framework, Bootstrap, Vanilla JS, Flask, Selenium, Scrapy, Tailwind CSS, Next.js, AngularJS, Redux
Paradigms
REST, Object-relational Mapping (ORM), Automation, Pair Programming, Object-oriented Design (OOD), HTML DOM, Hosting, API Architecture, Testing, Agile, Microservices, Compiler Design, DevOps, ETL
Platforms
Docker, Amazon EC2, Heroku, Firebase, Replit, Linux, Amazon Web Services (AWS), Google Cloud Platform (GCP), WordPress, Mailgun, Kubernetes, Vercel, Azure, AWS Lambda, OTP
Storage
Databases, PostgreSQL, MySQL, SQLite, NoSQL, JSON, Redshift, Amazon DynamoDB, Amazon S3 (AWS S3), Elasticsearch, MongoDB, Database Structure, Redis, Data Pipelines
Other
Web Development, Software Engineering, Authentication, APIs, Amazon RDS, Back-end, Web Scraping, Full-stack Development, Dashboards, API Integration, Full-stack, Architecture, Data Modeling, Migration, Survey Development & Analysis, Questionnaires, Survey Programming, Scripting, Discord Bots, Data Visualization, SaaS, Cloud, Minimum Viable Product (MVP), Payment APIs, Scraping, OAuth, User Interface (UI), Front-end, Document Parsing, Software, Integration, CSV File Processing, Email Automation, Information Engineering, Website Data Scraping, Prompt Engineering, Web App Development, Dedicated Web Hosting, Chatbots, AI Automation, API Testing, POS, API Design, Software Development, Reporting Automation, Enterprise Resource Planning (ERP), Web Applications, Algorithms, Data Scraping, Analytics, Data, PDF Scraping, PDF to Excel, FastAPI, OpenAI, Bots, Robotic Process Automation (RPA), Generative Artificial Intelligence (GenAI), Large Language Models (LLMs), OpenAI GPT-4 API, OpenAI GPT-3 API, Deployment, SAML-auth, Fintech, Web App Automation, Browser Automation, Data Extraction, PDF, eCommerce, Artificial Intelligence (AI), AI Integration, Automation Tools, ChatGPT API, Conversational UX, AI Agents, Gemini API, Agentic AI, Excel 365, Hash, Cursor AI, Chrome Extensions, Web Extensions, Supabase, Financial Projection, CRM APIs, Customer Relationship Management (CRM), Middleware, AI Tools, Operating Systems, Computer Networking, Serverless, Data Engineering, Data Structures, ServiceNow, GitFlow, Sprints, General Data Protection Regulation (GDPR), CI/CD Pipelines, Gemini, Optical Character Recognition (OCR)
Collaboration That Works
How to Work with Toptal
Toptal matches you directly with global industry experts from our network in hours—not weeks or months.
1
Share your needs
Discuss your requirements and refine your scope in a call with a Toptal domain expert.
2
Choose your talent
Get a short list of expertly matched talent within 24 hours to review, interview, and choose from.
3
Start your risk-free talent trial
Work with your chosen talent on a trial basis for up to two weeks. Pay only if you decide to hire them.
Top talent is in high demand.
Start hiring